Home / 181,521.40-272,573.70-137,198.20

Finding the Fourth Proportional to 181,521.40, 272,573.70 and 137,198.20

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Solution

The fourth proportional to 181,521.40, 272,573.70 and 137,198.20 is: 206,017.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,521.40 : 272,573.70 = 137,198.20 : x
  2. Step 2: Convert to fraction form
    181,521.40/272,573.70 = 137,198.20/x
  3. Step 3: Cross multiply
    181,521.40x = 272,573.70 × 137,198.20
  4. Step 4: Simplify right side
    181,521.40x = 37,396,621,007.34
  5. Step 5: Solve for x
    x = 37,396,621,007.34/181,521.40
  6. Step 6: Final answer
    x = 206,017.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.